diff --git a/CMakeLists.txt b/CMakeLists.txt
index a35b971bd1b..36d1eff31a4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1194,7 +1194,6 @@ if(gRPC_BUILD_TESTS)
   add_dependencies(buildtests_cxx percent_encoding_test)
   add_dependencies(buildtests_cxx periodic_update_test)
   add_dependencies(buildtests_cxx pick_first_test)
-  add_dependencies(buildtests_cxx pid_controller_test)
   add_dependencies(buildtests_cxx ping_abuse_policy_test)
   add_dependencies(buildtests_cxx ping_callbacks_test)
   add_dependencies(buildtests_cxx ping_configuration_test)
@@ -2503,7 +2502,6 @@ add_library(grpc
   src/core/lib/transport/http_connect_handshaker.cc
   src/core/lib/transport/metadata_batch.cc
   src/core/lib/transport/parsed_metadata.cc
-  src/core/lib/transport/pid_controller.cc
   src/core/lib/transport/status_conversion.cc
   src/core/lib/transport/tcp_connect_handshaker.cc
   src/core/lib/transport/timeout_encoding.cc
@@ -3196,7 +3194,6 @@ add_library(grpc_unsecure
   src/core/lib/transport/http_connect_handshaker.cc
   src/core/lib/transport/metadata_batch.cc
   src/core/lib/transport/parsed_metadata.cc
-  src/core/lib/transport/pid_controller.cc
   src/core/lib/transport/status_conversion.cc
   src/core/lib/transport/tcp_connect_handshaker.cc
   src/core/lib/transport/timeout_encoding.cc
@@ -12228,7 +12225,6 @@ add_executable(flow_control_test
   src/core/lib/slice/slice_refcount.cc
   src/core/lib/slice/slice_string_helpers.cc
   src/core/lib/transport/bdp_estimator.cc
-  src/core/lib/transport/pid_controller.cc
   test/core/transport/chttp2/flow_control_test.cc
   third_party/upb/upb/hash/common.c
   third_party/upb/upb/message/accessors.c
@@ -17803,49 +17799,6 @@ target_link_libraries(pick_first_test
 )
 
 
-endif()
-if(gRPC_BUILD_TESTS)
-
-add_executable(pid_controller_test
-  test/core/transport/pid_controller_test.cc
-  test/core/util/cmdline.cc
-  test/core/util/fuzzer_util.cc
-  test/core/util/grpc_profiler.cc
-  test/core/util/histogram.cc
-  test/core/util/mock_endpoint.cc
-  test/core/util/parse_hexstring.cc
-  test/core/util/passthru_endpoint.cc
-  test/core/util/resolve_localhost_ip46.cc
-  test/core/util/slice_splitter.cc
-  test/core/util/tracer_util.cc
-)
-target_compile_features(pid_controller_test PUBLIC cxx_std_14)
-target_include_directories(pid_controller_test
-  PRIVATE
-    ${CMAKE_CURRENT_SOURCE_DIR}
-    ${CMAKE_CURRENT_SOURCE_DIR}/include
-    ${_gRPC_ADDRESS_SORTING_INCLUDE_DIR}
-    ${_gRPC_RE2_INCLUDE_DIR}
-    ${_gRPC_SSL_INCLUDE_DIR}
-    ${_gRPC_UPB_GENERATED_DIR}
-    ${_gRPC_UPB_GRPC_GENERATED_DIR}
-    ${_gRPC_UPB_INCLUDE_DIR}
-    ${_gRPC_XXHASH_INCLUDE_DIR}
-    ${_gRPC_ZLIB_INCLUDE_DIR}
-    third_party/googletest/googletest/include
-    third_party/googletest/googletest
-    third_party/googletest/googlemock/include
-    third_party/googletest/googlemock
-    ${_gRPC_PROTO_GENS_DIR}
-)
-
-target_link_libraries(pid_controller_test
-  ${_gRPC_ALLTARGETS_LIBRARIES}
-  gtest
-  grpc_test_util
-)
-
-
 endif()
 if(gRPC_BUILD_TESTS)
 
diff --git a/Makefile b/Makefile
index d9931302394..2d6aafe331a 100644
--- a/Makefile
+++ b/Makefile
@@ -1704,7 +1704,6 @@ LIBGRPC_SRC = \
     src/core/lib/transport/http_connect_handshaker.cc \
     src/core/lib/transport/metadata_batch.cc \
     src/core/lib/transport/parsed_metadata.cc \
-    src/core/lib/transport/pid_controller.cc \
     src/core/lib/transport/status_conversion.cc \
     src/core/lib/transport/tcp_connect_handshaker.cc \
     src/core/lib/transport/timeout_encoding.cc \
@@ -2247,7 +2246,6 @@ LIBGRPC_UNSECURE_SRC = \
     src/core/lib/transport/http_connect_handshaker.cc \
     src/core/lib/transport/metadata_batch.cc \
     src/core/lib/transport/parsed_metadata.cc \
-    src/core/lib/transport/pid_controller.cc \
     src/core/lib/transport/status_conversion.cc \
     src/core/lib/transport/tcp_connect_handshaker.cc \
     src/core/lib/transport/timeout_encoding.cc \
diff --git a/Package.swift b/Package.swift
index 7fa98e64126..21046aebb2e 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1895,8 +1895,6 @@ let package = Package(
         "src/core/lib/transport/metadata_compression_traits.h",
         "src/core/lib/transport/parsed_metadata.cc",
         "src/core/lib/transport/parsed_metadata.h",
-        "src/core/lib/transport/pid_controller.cc",
-        "src/core/lib/transport/pid_controller.h",
         "src/core/lib/transport/simple_slice_based_metadata.h",
         "src/core/lib/transport/status_conversion.cc",
         "src/core/lib/transport/status_conversion.h",
diff --git a/build_autogenerated.yaml b/build_autogenerated.yaml
index 2e7cd202f5c..d1386af91cf 100644
--- a/build_autogenerated.yaml
+++ b/build_autogenerated.yaml
@@ -1173,7 +1173,6 @@ libs:
   - src/core/lib/transport/metadata_batch.h
   - src/core/lib/transport/metadata_compression_traits.h
   - src/core/lib/transport/parsed_metadata.h
-  - src/core/lib/transport/pid_controller.h
   - src/core/lib/transport/simple_slice_based_metadata.h
   - src/core/lib/transport/status_conversion.h
   - src/core/lib/transport/tcp_connect_handshaker.h
@@ -1962,7 +1961,6 @@ libs:
   - src/core/lib/transport/http_connect_handshaker.cc
   - src/core/lib/transport/metadata_batch.cc
   - src/core/lib/transport/parsed_metadata.cc
-  - src/core/lib/transport/pid_controller.cc
   - src/core/lib/transport/status_conversion.cc
   - src/core/lib/transport/tcp_connect_handshaker.cc
   - src/core/lib/transport/timeout_encoding.cc
@@ -2603,7 +2601,6 @@ libs:
   - src/core/lib/transport/metadata_batch.h
   - src/core/lib/transport/metadata_compression_traits.h
   - src/core/lib/transport/parsed_metadata.h
-  - src/core/lib/transport/pid_controller.h
   - src/core/lib/transport/simple_slice_based_metadata.h
   - src/core/lib/transport/status_conversion.h
   - src/core/lib/transport/tcp_connect_handshaker.h
@@ -3013,7 +3010,6 @@ libs:
   - src/core/lib/transport/http_connect_handshaker.cc
   - src/core/lib/transport/metadata_batch.cc
   - src/core/lib/transport/parsed_metadata.cc
-  - src/core/lib/transport/pid_controller.cc
   - src/core/lib/transport/status_conversion.cc
   - src/core/lib/transport/tcp_connect_handshaker.cc
   - src/core/lib/transport/timeout_encoding.cc
@@ -9280,7 +9276,6 @@ targets:
   - src/core/lib/slice/slice_string_helpers.h
   - src/core/lib/transport/bdp_estimator.h
   - src/core/lib/transport/http2_errors.h
-  - src/core/lib/transport/pid_controller.h
   - third_party/upb/upb/base/internal/log2.h
   - third_party/upb/upb/generated_code_support.h
   - third_party/upb/upb/hash/common.h
@@ -9362,7 +9357,6 @@ targets:
   - src/core/lib/slice/slice_refcount.cc
   - src/core/lib/slice/slice_string_helpers.cc
   - src/core/lib/transport/bdp_estimator.cc
-  - src/core/lib/transport/pid_controller.cc
   - test/core/transport/chttp2/flow_control_test.cc
   - third_party/upb/upb/hash/common.c
   - third_party/upb/upb/message/accessors.c
@@ -12709,38 +12703,6 @@ targets:
   - protobuf
   - grpc_test_util
   uses_polling: false
-- name: pid_controller_test
-  gtest: true
-  build: test
-  language: c++
-  headers:
-  - test/core/util/cmdline.h
-  - test/core/util/evaluate_args_test_util.h
-  - test/core/util/fuzzer_util.h
-  - test/core/util/grpc_profiler.h
-  - test/core/util/histogram.h
-  - test/core/util/mock_authorization_endpoint.h
-  - test/core/util/mock_endpoint.h
-  - test/core/util/parse_hexstring.h
-  - test/core/util/passthru_endpoint.h
-  - test/core/util/resolve_localhost_ip46.h
-  - test/core/util/slice_splitter.h
-  - test/core/util/tracer_util.h
-  src:
-  - test/core/transport/pid_controller_test.cc
-  - test/core/util/cmdline.cc
-  - test/core/util/fuzzer_util.cc
-  - test/core/util/grpc_profiler.cc
-  - test/core/util/histogram.cc
-  - test/core/util/mock_endpoint.cc
-  - test/core/util/parse_hexstring.cc
-  - test/core/util/passthru_endpoint.cc
-  - test/core/util/resolve_localhost_ip46.cc
-  - test/core/util/slice_splitter.cc
-  - test/core/util/tracer_util.cc
-  deps:
-  - gtest
-  - grpc_test_util
 - name: ping_abuse_policy_test
   gtest: true
   build: test
diff --git a/config.m4 b/config.m4
index ad0d6caee28..4e1ab8b797d 100644
--- a/config.m4
+++ b/config.m4
@@ -836,7 +836,6 @@ if test "$PHP_GRPC" != "no"; then
     src/core/lib/transport/http_connect_handshaker.cc \
     src/core/lib/transport/metadata_batch.cc \
     src/core/lib/transport/parsed_metadata.cc \
-    src/core/lib/transport/pid_controller.cc \
     src/core/lib/transport/status_conversion.cc \
     src/core/lib/transport/tcp_connect_handshaker.cc \
     src/core/lib/transport/timeout_encoding.cc \
diff --git a/config.w32 b/config.w32
index f18a8de275d..6a3925a7f58 100644
--- a/config.w32
+++ b/config.w32
@@ -801,7 +801,6 @@ if (PHP_GRPC != "no") {
     "src\\core\\lib\\transport\\http_connect_handshaker.cc " +
     "src\\core\\lib\\transport\\metadata_batch.cc " +
     "src\\core\\lib\\transport\\parsed_metadata.cc " +
-    "src\\core\\lib\\transport\\pid_controller.cc " +
     "src\\core\\lib\\transport\\status_conversion.cc " +
     "src\\core\\lib\\transport\\tcp_connect_handshaker.cc " +
     "src\\core\\lib\\transport\\timeout_encoding.cc " +
diff --git a/gRPC-C++.podspec b/gRPC-C++.podspec
index 83f07e2fe62..4d3bbfc3707 100644
--- a/gRPC-C++.podspec
+++ b/gRPC-C++.podspec
@@ -1268,7 +1268,6 @@ Pod::Spec.new do |s|
                       'src/core/lib/transport/metadata_batch.h',
                       'src/core/lib/transport/metadata_compression_traits.h',
                       'src/core/lib/transport/parsed_metadata.h',
-                      'src/core/lib/transport/pid_controller.h',
                       'src/core/lib/transport/simple_slice_based_metadata.h',
                       'src/core/lib/transport/status_conversion.h',
                       'src/core/lib/transport/tcp_connect_handshaker.h',
@@ -2508,7 +2507,6 @@ Pod::Spec.new do |s|
                               'src/core/lib/transport/metadata_batch.h',
                               'src/core/lib/transport/metadata_compression_traits.h',
                               'src/core/lib/transport/parsed_metadata.h',
-                              'src/core/lib/transport/pid_controller.h',
                               'src/core/lib/transport/simple_slice_based_metadata.h',
                               'src/core/lib/transport/status_conversion.h',
                               'src/core/lib/transport/tcp_connect_handshaker.h',
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 64a415514b5..a9991a0c108 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -1994,8 +1994,6 @@ Pod::Spec.new do |s|
                       'src/core/lib/transport/metadata_compression_traits.h',
                       'src/core/lib/transport/parsed_metadata.cc',
                       'src/core/lib/transport/parsed_metadata.h',
-                      'src/core/lib/transport/pid_controller.cc',
-                      'src/core/lib/transport/pid_controller.h',
                       'src/core/lib/transport/simple_slice_based_metadata.h',
                       'src/core/lib/transport/status_conversion.cc',
                       'src/core/lib/transport/status_conversion.h',
@@ -3274,7 +3272,6 @@ Pod::Spec.new do |s|
                               'src/core/lib/transport/metadata_batch.h',
                               'src/core/lib/transport/metadata_compression_traits.h',
                               'src/core/lib/transport/parsed_metadata.h',
-                              'src/core/lib/transport/pid_controller.h',
                               'src/core/lib/transport/simple_slice_based_metadata.h',
                               'src/core/lib/transport/status_conversion.h',
                               'src/core/lib/transport/tcp_connect_handshaker.h',
diff --git a/grpc.gemspec b/grpc.gemspec
index 82993ca7ac9..5e1c1e5e523 100644
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -1897,8 +1897,6 @@ Gem::Specification.new do |s|
   s.files += %w( src/core/lib/transport/metadata_compression_traits.h )
   s.files += %w( src/core/lib/transport/parsed_metadata.cc )
   s.files += %w( src/core/lib/transport/parsed_metadata.h )
-  s.files += %w( src/core/lib/transport/pid_controller.cc )
-  s.files += %w( src/core/lib/transport/pid_controller.h )
   s.files += %w( src/core/lib/transport/simple_slice_based_metadata.h )
   s.files += %w( src/core/lib/transport/status_conversion.cc )
   s.files += %w( src/core/lib/transport/status_conversion.h )
diff --git a/grpc.gyp b/grpc.gyp
index 0cd7bdb032f..1cc0c2611b5 100644
--- a/grpc.gyp
+++ b/grpc.gyp
@@ -1023,7 +1023,6 @@
         'src/core/lib/transport/http_connect_handshaker.cc',
         'src/core/lib/transport/metadata_batch.cc',
         'src/core/lib/transport/parsed_metadata.cc',
-        'src/core/lib/transport/pid_controller.cc',
         'src/core/lib/transport/status_conversion.cc',
         'src/core/lib/transport/tcp_connect_handshaker.cc',
         'src/core/lib/transport/timeout_encoding.cc',
@@ -1507,7 +1506,6 @@
         'src/core/lib/transport/http_connect_handshaker.cc',
         'src/core/lib/transport/metadata_batch.cc',
         'src/core/lib/transport/parsed_metadata.cc',
-        'src/core/lib/transport/pid_controller.cc',
         'src/core/lib/transport/status_conversion.cc',
         'src/core/lib/transport/tcp_connect_handshaker.cc',
         'src/core/lib/transport/timeout_encoding.cc',
diff --git a/package.xml b/package.xml
index 9ed1cf552fb..2d1f0310663 100644
--- a/package.xml
+++ b/package.xml
@@ -1879,8 +1879,6 @@
     <file baseinstalldir="/" name="src/core/lib/transport/metadata_compression_traits.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/transport/parsed_metadata.cc" role="src" />
     <file baseinstalldir="/" name="src/core/lib/transport/parsed_metadata.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/transport/pid_controller.cc" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/transport/pid_controller.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/transport/simple_slice_based_metadata.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/transport/status_conversion.cc" role="src" />
     <file baseinstalldir="/" name="src/core/lib/transport/status_conversion.h" role="src" />
diff --git a/src/python/grpcio/grpc_core_dependencies.py b/src/python/grpcio/grpc_core_dependencies.py
index bd30eef8d32..37a00f2a6cc 100644
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@@ -810,7 +810,6 @@ CORE_SOURCE_FILES = [
     'src/core/lib/transport/http_connect_handshaker.cc',
     'src/core/lib/transport/metadata_batch.cc',
     'src/core/lib/transport/parsed_metadata.cc',
-    'src/core/lib/transport/pid_controller.cc',
     'src/core/lib/transport/status_conversion.cc',
     'src/core/lib/transport/tcp_connect_handshaker.cc',
     'src/core/lib/transport/timeout_encoding.cc',
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index eb1463dcf92..55c117406ce 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -2896,8 +2896,6 @@ src/core/lib/transport/metadata_batch.h \
 src/core/lib/transport/metadata_compression_traits.h \
 src/core/lib/transport/parsed_metadata.cc \
 src/core/lib/transport/parsed_metadata.h \
-src/core/lib/transport/pid_controller.cc \
-src/core/lib/transport/pid_controller.h \
 src/core/lib/transport/simple_slice_based_metadata.h \
 src/core/lib/transport/status_conversion.cc \
 src/core/lib/transport/status_conversion.h \
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index e6ba72b8f5c..276f467c07d 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -2677,8 +2677,6 @@ src/core/lib/transport/metadata_batch.h \
 src/core/lib/transport/metadata_compression_traits.h \
 src/core/lib/transport/parsed_metadata.cc \
 src/core/lib/transport/parsed_metadata.h \
-src/core/lib/transport/pid_controller.cc \
-src/core/lib/transport/pid_controller.h \
 src/core/lib/transport/simple_slice_based_metadata.h \
 src/core/lib/transport/status_conversion.cc \
 src/core/lib/transport/status_conversion.h \
diff --git a/tools/run_tests/generated/tests.json b/tools/run_tests/generated/tests.json
index 97e35cd758b..07038cc8e80 100644
--- a/tools/run_tests/generated/tests.json
+++ b/tools/run_tests/generated/tests.json
@@ -6601,30 +6601,6 @@
     ],
     "uses_polling": false
   },
-  {
-    "args": [],
-    "benchmark": false,
-    "ci_platforms": [
-      "linux",
-      "mac",
-      "posix",
-      "windows"
-    ],
-    "cpu_cost": 1.0,
-    "exclude_configs": [],
-    "exclude_iomgrs": [],
-    "flaky": false,
-    "gtest": true,
-    "language": "c++",
-    "name": "pid_controller_test",
-    "platforms": [
-      "linux",
-      "mac",
-      "posix",
-      "windows"
-    ],
-    "uses_polling": true
-  },
   {
     "args": [],
     "benchmark": false,